Uninterruptible power system



FIG. 1 is a front perspective view of an uninterruptible power system showing our design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a side view thereof,

FIG. 5 is a side view thereof, opposite that shown in FIG. 4;

FIG. 6 is a top view of the uninterruptible power system;

FIG. 7 is a bottom view thereof;

FIG. 8 is a front perspective view of another embodiment of the uninterruptible power system showing our design;

FIG. 9 is a front view thereof;

FIG. 10 is a rear view thereof;

FIG. 11 is a side view thereof,

FIG. 12 is a side view thereof, opposite that shown in FIG. 11;

FIG. 13 is a top view of the uninterruptible power system; and,

FIG. 14 is a bottom view thereof.

The broken lines in the drawings illustrate portions of the uninterruptible power system that form no part of the claimed design. 

CLAIM The ornamental design for an uninterruptible power system, as shown and described. 